21487983

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{38303}}^1$

素因数の和:38334

約数の個数: 16

約数和(自身を含む): 33094656

約数和(自身を除く): 11606673

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 38303, 114909, 421333, 651151, 1263999, 1953453, 7162661, 21487983]

約数ペア:

[(1, 21487983), (3, 7162661), (11, 1953453), (17, 1263999), (33, 651151), (51, 421333), (187, 114909), (561, 38303)]